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Economic and Marketing Efficiency Among Corn Ethanol Plants

  • Sesmero, Juan P.
  • Perrin, Richard K.
  • Fulginiti, Lilyan E.

We extend data envelopment analysis (DEA) to decompose the economic efficiency of a sample of ethanol plants into internal (technical and allocative) and boundary (marketing) sources. This decomposition allows us to evaluate the channels through which different plant characteristics affect plant performance. Results show that plants are very efficient from a technical point of view. Plants with higher production volumes seem to perform better not because of economies of scale but because they can secure more favorable prices (higher marketing efficiency) and execute production plans accordingly (higher allocative efficiency). This may rationalize the increase in the size of the average plant observed in the industry in recent years despite evidence of close to constant returns to scale. This suggests that plants may have incentives to horizontally integrate. Our results do not seem to point towards the existence of strong incentives to vertically integrate. Plants seem to have achieved significant improvements in performance through experience and learning-by-doing. Plants that are privately owned do not seem to perform better that those owned by farmers’ cooperatives.

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File URL: http://purl.umn.edu/100709
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Paper provided by Australian Agricultural and Resource Economics Society in its series 2011 Conference (55th), February 8-11, 2011, Melbourne, Australia with number 100709.

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Date of creation: 2011
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Handle: RePEc:ags:aare11:100709
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